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Subtract 81/10 from 12/14

1st number: 12/14, 2nd number: 8 1/10

12/14 - 81/10 is -507/70.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 10 is 70

    Next, find the equivalent fraction of both fractional numbers with denominator 70
  2. For the 1st fraction, since 14 × 5 = 70,
    12/14 = 12 × 5/14 × 5 = 60/70
  3. Likewise, for the 2nd fraction, since 10 × 7 = 70,
    81/10 = 81 × 7/10 × 7 = 567/70
  4. Subtract the two like fractions:
    60/70 - 567/70 = 60 - 567/70 = -507/70

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